Hi I am having problem with Struts not reading my configuration files, here is my stack:

2010-07-21 14:36:08,609 [resin-28] ERROR org.apache.struts2.dispatcher.Dispatcher - Dispatcher initialization failed
Unable to load configuration. - [unknown location]
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
at com.caucho.server.dispatch.FilterManager.createFilter(FilterManager.java:144)
at com.caucho.server.dispatch.FilterManager.init(FilterManager.java:91)
at com.caucho.server.webapp.WebApp.start(WebApp.java:1873)
at com.caucho.server.deploy.DeployController.startImpl(DeployController.java:667)
at com.caucho.server.deploy.DeployController.restartImpl(DeployController.java:630)
at com.caucho.server.deploy.StartAutoRedeployAutoStrategy.alarm(StartAutoRedeployAutoStrategy.java:177)
at com.caucho.server.deploy.DeployController.handleAlarm(DeployController.java:789)
at com.caucho.util.Alarm.handleAlarm(Alarm.java:375)
at com.caucho.util.Alarm.run(Alarm.java:345)
at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:730)
at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:649)
at java.lang.Thread.run(Thread.java:619)
Caused by: Caught exception while loading file struts-default.xml - [unknown location]
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:902)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:143)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:110)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:168)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
... 15 more
Caused by: java.lang.ClassCastException: org.apache.xerces.parsers.XIncludeAwareParserConfiguration cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration
at org.apache.xerces.parsers.DOMParser.
(Unknown Source)
at org.apache.xerces.parsers.DOMParser.
(Unknown Source)
at org.apache.xerces.jaxp.DocumentBuilderImpl.
(Unknown Source)
at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.SAX2DOM.createDocument(SAX2DOM.java:324)
at com.sun.org.apache.xalan.internal.xsltc.trax.SAX2DOM.
(SAX2DOM.java:84)
at com.sun.org.apache.xalan.internal.xsltc.runtime.output.TransletOutputHandlerFactory.getSerializationHandler(TransletOutputHandlerFactory.java:187)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getOutputHandler(TransformerImpl.java:392)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerHandlerImpl.setResult(TransformerHandlerImpl.java:137)
at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.setup(DomHelper.java:205)
at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.
(DomHelper.java:190)
at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.
(DomHelper.java:181)
at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.
(DomHelper.java:167)
at com.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:107)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:893)
... 19 more